Scientists have uncovered a surprising twist in how bacteria share genes—including those that spread antibiotic resistance.

Sparkling water is often seen as a simple, healthy drink—but could it also help with weight loss? New research suggests it ...

A hormone called FGF21 can reverse obesity in mice by activating a newly identified brain circuit tied to metabolism. Surprisingly, it works in the hindbrain—the same region targeted by GLP-1 drugs ...

The ozone layer has been on track to recover thanks to the Montreal Protocol—but a loophole may be holding it back. Chemicals ...

A rogue set of “zombie” immune cells may be driving aging and fatty liver disease by flooding tissues with inflammation.

Scientists have discovered that a protein linked to cell death is secretly driving the aging of blood stem cells in a ...

Researchers have found a way to make cancer-killing immune cells more powerful and precise. By adding specific signaling components, they boosted the cells’ readiness to attack tumors. Surprisingly, ...

Researchers have discovered lithium hidden in pyrite within ancient shale rocks—an unexpected find that could reshape how we ...

New research suggests that aiming for a lower blood pressure target may deliver bigger heart health benefits than previously ...

A massive, bus-sized “terror croc” that once preyed on dinosaurs has been brought back to life in stunning detail with the ...

Scientists have discovered that methane in the open ocean is produced by microbes under nutrient-poor conditions, solving a ...

A lifetime of mental stimulation—like reading, writing, and learning new skills—may help protect the brain as we age. People ...